{"id":"CVE-2026-74035","summary":"Wazuh 4.6.0 before 4.14.8 Authentication Bypass via Empty Password in update_user","details":"Wazuh versions from 4.6.0 before 4.14.8 contain an authentication bypass vulnerability where security.update_user places the reserved user guard and password policy inside a falsy truthiness check. A delegated user administrator can send an empty password to the user update endpoint, bypassing the reserved user guard to take over the wazuh superuser account and authenticate with empty credentials.","aliases":["GHSA-27gv-q7q6-f5qh"],"modified":"2026-10-14T02:48:37.442981998Z","published":"2026-10-13T13:27:28.652Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74035.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74035.json"},{"type":"PACKAGE","url":"https://github.com/wazuh/wazuh"},{"type":"FIX","url":"https://github.com/wazuh/wazuh/releases/tag/v4.14.8"},{"type":"ADVISORY","url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-27gv-q7q6-f5qh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74035"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/wazuh-4.6.0-before-4.14.8-authentication-bypass-via-empty-password-in-update-user"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wazuh/wazuh","events":[{"introduced":"a6e26aea57cf341a530a948503057de743d8d46e"},{"fixed":"f470ad7db717b18db7feeed568949643698f0f34"}],"database_specific":{"extracted_events":[{"introduced":"4.6.0"},{"fixed":"4.14.8"}],"source":"AFFECTED_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74035.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}